甲地的海拔1500米,乙地的海拔500米,甲、乙两地之间的相对高度是( )
⑴____ A. grade B. able C. skate D. any
⑵____ A. egg B. me C. went D. tell
⑶____ A. rich B. sister C. swim D. write
⑷____ A. idea B. Korea C. real D. great
⑸____ A. school B. machine C. chemical D. ache
A.长方形 B.圆形 C.正方形